496817 (1989 VB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4601554069 ± 3.08e-09
Semi-major axis (a)1.8618659382 AU ± 1.31e-09
Inclination (i)2.18435699° ± 8.97e-07
Long. of Asc. Node (Ω)37.83399525° ± 1.36e-05
Arg. of Perihelion (ω)330.93109875° ± 1.38e-05
Mean Anomaly (M)73.57353775° ± 1.36e-06
Mean Motion (n)0.3879624256°/day ± 4.09e-10
Perihelion dist (q)1.00511826 AU ± 5.78e-09
Aphelion dist (Q)2.71861362 AU ± 6.05e-09
Orbital Period2.54051995 yr ± 2.68e-09
Physical Parameters
H (abs. magnitude)19.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.293″
Uncertainty0
Orbit TypeApollo
MOID0.015902 AU
Observations Used279
Radar Obs Used6
Oppositions17
Arc Total1989-2022
First Observation Used1989-11-03
Last Observation Used2022-12-27
Observations (304)
Date Type RA Dec Mag Band Observatory
1989-11-01 09:51:07 A 23 43 41.32 -03 18 04.8 413
1989-11-01 10:56:07 A 23 44 15.65 -03 12 13.5 413
1989-11-03 03:09:44 A 00 05 51.21 +00 13 11.2 16.5 675
1989-11-03 10:18:08 A 00 09 27.37 +00 51 04.5 474
1989-11-03 11:05:08 A 00 09 50.16 +00 54 54.1 474
1989-11-04 10:34:07 A 00 21 32.70 +02 47 07.5 474
1989-11-04 11:26:07 A 00 21 56.78 +02 51 09.4 474
1989-11-04 12:01:55 A 00 22 15.09 +02 53 34.6 413
1989-11-05 03:58:59 A 00 29 54.40 +04 03 52.5 16.7 675
1989-11-05 07:18:45 A 00 31 22.18 +04 18 36.0 675
1989-11-05 08:49:44 A 00 32 02.58 +04 25 15.5 675
1989-11-05 15:13:25 A 00 34 58.68 +04 54 58.3 413
1989-11-22 07:35:44 A 02 30 09.97 +20 19 38.3 17.6 675
1989-11-25 06:43:59 A 02 41 11.17 +21 23 14.7 17.8 675
1989-12-17 04:12:59 03 32 34.48 +24 47 20.3 675
1989-12-17 05:23:00 03 32 39.06 +24 47 33.8 675
2012-10-20 10:03:10 C 08 19 24.56 +21 07 20.8 r G96
2012-10-20 10:19:31 C 08 19 25.96 +21 07 19.5 r G96
2012-10-20 10:35:57 C 08 19 27.37 +21 07 17.0 r G96
2012-10-20 10:52:32 C 08 19 28.81 +21 07 14.9 r G96
2013-01-09 04:31:44 C 08 16 06.18 +24 50 35.5 o 691
2013-01-09 04:53:33 C 08 16 04.43 +24 50 41.0 o 691
2013-01-09 05:15:20 C 08 16 02.62 +24 50 47.2 o 691
2013-01-09 09:52:19 C 08 15 39.38 +24 51 56.8 o 291
2013-01-09 09:55:28 C 08 15 39.07 +24 51 57.7 o 291
2013-01-09 09:58:37 C 08 15 38.82 +24 51 58.3 o 291
2013-01-10 04:13:02 C 08 14 11.32 +24 56 24.0 o 291
2013-01-10 04:16:48 C 08 14 11.02 +24 56 24.8 o 291
2013-01-10 04:20:34 C 08 14 10.70 +24 56 26.0 o 291
2013-01-10 09:22:36 C 08 13 45.36 +24 57 39.8 t H01
2013-01-10 09:34:23 C 08 13 44.37 +24 57 42.5 t H01
2013-01-10 09:53:59 C 08 13 42.73 +24 57 47.1 t H01
2013-01-10 10:06:58 C 08 13 41.64 +24 57 50.1 t H01
2013-01-12 01:18:21 C 08 10 32.35 +25 06 51.8 u 104
2013-01-12 01:19:18 C 08 10 32.40 +25 06 51.9 t 204
2013-01-12 01:27:24 C 08 10 31.74 +25 06 53.5 u 104
2013-01-12 01:38:53 C 08 10 30.81 +25 06 55.8 t 204
2013-01-16 12:20:24 C 08 02 06.540 +25 28 25.31 L F51
2013-01-16 12:41:12 C 08 02 04.875 +25 28 28.82 L F51
2013-01-16 13:02:07 C 08 02 03.209 +25 28 32.30 L F51
2014-04-24 02:05:26 C 13 54 58.65 -11 19 10.3 23.2 L W84
2014-04-24 02:10:03 C 13 54 58.39 -11 19 09.0 L W84
2014-04-24 02:14:45 C 13 54 58.13 -11 19 07.8 L W84
2014-04-24 02:19:24 C 13 54 57.87 -11 19 06.6 L W84
2014-04-24 02:24:05 C 13 54 57.62 -11 19 05.4 L W84
2014-04-25 02:04:11 C 13 53 41.22 -11 12 48.5 L W84
2014-04-25 02:08:51 C 13 53 40.97 -11 12 47.3 L W84
2014-04-25 02:13:30 C 13 53 40.71 -11 12 46.2 L W84
2014-04-25 02:18:09 C 13 53 40.45 -11 12 44.9 L W84
2014-04-25 02:22:51 C 13 53 40.20 -11 12 43.6 L W84
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-10-03 10:20:00 -180191.753 0.5 Hz 8560 -14 -14
2017-10-03 10:30:00 23996339.94 2 us 8560 -14 -14
2017-10-03 10:30:00 -181144.696 0.3 Hz 8560 -14 -14
2017-10-03 13:00:00 24195070.9 0.5 us 8560 -14 -14
2017-10-04 10:00:00 26072204.437 0.2 us 8560 -14 -14
2017-10-10 11:10:00 43139408.2 0.5 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)